Martin, Hubert. The scientific principles of plant protection with special reference to chemical control, by Hubert Martin. - London, E. Arnold & co. [1936] - xii, 379 p. 23 cm. "Second edition." "References" at ends of sections. LCCN: agr36000542 Subjects--Topical Terms: Fungicides.Insecticides. LC Class. No.: SB951 / .M485 1936